"nswong" wrote in message
...
"Salty Thumb" wrote in message
news
This previously quoted article is almost if not identical to the
longer article he

http://www.ces.purdue.edu/extmedia/AY/AY-279.html

I just realize this is one of the link you give me before, since I do
save it offline in my Todo foulder few days ago, but not read at it
yet.

I think it's good for me to review this article again, may understand
more from this review then the previous reading.

no problem, take your time.

Today I'm dumping rice hull to my land again, will be busy in these
few days. :-)

Thanks for the link,
Wong

Ni Hau Wong:

Where do you live?

John